關於H2F2g的百科

• 已知*化*氣體中有平衡關係：①2H3F3(g)===3H2F2(g)　ΔH1＝akJ·mol－1②H2F2(g...

• 問題詳情：已知*化*氣體中有平衡關係：①2H3F3(g)===3H2F2(g)ΔH1＝akJ·mol－1②H2F2(g)===2HF(g)ΔH2＝bkJ·mol－1已知a、b均大於0，則可推測反應：H3F3(g)===3HF(g)的ΔH3＝()A．(a＋b)kJ·mol－1            B．(a－b)kJ·mol－1C．(a＋3b)kJ·mol－1           D．(0.5a＋1.5b)kJ·m...
• 2021-05-1614055